Home / 5,353.73-7,387.99-2,963.80

Finding the Fourth Proportional to 5,353.73, 7,387.99 and 2,963.80

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Solution

The fourth proportional to 5,353.73, 7,387.99 and 2,963.80 is: 4,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.73 : 7,387.99 = 2,963.80 : x
  2. Step 2: Convert to fraction form
    5,353.73/7,387.99 = 2,963.80/x
  3. Step 3: Cross multiply
    5,353.73x = 7,387.99 × 2,963.80
  4. Step 4: Simplify right side
    5,353.73x = 21,896,498.88
  5. Step 5: Solve for x
    x = 21,896,498.88/5,353.73
  6. Step 6: Final answer
    x = 4,089.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.